40676969 has 2 divisors, whose sum is σ = 40676970. Its totient is φ = 40676968.

The previous prime is 40676887. The next prime is 40676981. The reversal of 40676969 is 96967604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 2088025 = 6212^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 40676969 - 2¹² = 40672873 is a prime.

It is a super-2 number, since 2×40676969² = 3309231614053922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40676989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20338484 + 20338485.

It is an arithmetic number, because the mean of its divisors is an integer number (20338485).

Almost surely, 2^40676969 is an apocalyptic number.

It is an amenable number.

40676969 is a deficient number, since it is larger than the sum of its proper divisors (1).

40676969 is an equidigital number, since it uses as much as digits as its factorization.

40676969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 40676969 is about 6377.8498728020. The cubic root of 40676969 is about 343.9137408788.

The spelling of 40676969 in words is "forty million, six hundred seventy-six thousand, nine hundred sixty-nine".